On Wed, 23 Aug 2000, Dan McGinn-Combs wrote:
> However, Pascal is correct when he states that I can telnet to YOUR SMTP
> server and send YOU a message and it will appear to have come from, oh, say,
> [EMAIL PROTECTED] :-) There is no good way to stop this... the
> messages was meant for you and SMTP has no way to verify that it didn't come
> from good ol' Bill.
My understanding is that the crypto authentication stuff defined in RFC
2554 is intended to address that issue. I think Sendmail 8.10+ even
implements it, but I have no idea how well it works in the real world.
Joe Matuscak
Rohrer Corporation
717 Seville Road
Wadsworth, Ohio 44281
(330)335-1541
[EMAIL PROTECTED]
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